Great Lakes Forecast
Issued by NWS

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706
FZUS63 KDTX 170250
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
950 PM EST THU FEB 16 2017

WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE HIGHEST
1/3 OF THE WAVE SPECTRUM. OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF
THE HIGHEST 1/10 OF THE WAVE SPECTRUM.

.SYNOPSIS...HIGH PRESSURE...30.00 INCHES...WILL CONTINUE TO BUILD
OVER THE GREAT LAKES TONIGHT AND WILL REMAIN IN CONTROL OF MARINE
CONDITIONS THROUGH FRIDAY. PRESSURE WILL DIMINISH TO AROUND 29.70
INCHES AS LOW PRESSURE MOVES THROUGH NORTHERN ONTARIO SATURDAY.
HIGH PRESSURE WILL THEN RETURN SUNDAY...30.00 INCHES...AND WILL
INFLUENCE THE REGION THROUGH EARLY NEXT WEEK.

LCZ460-170930-
LAKE ST CLAIR-
950 PM EST THU FEB 16 2017

.REST OF TONIGHT...LIGHT AND VARIABLE WINDS...BECOMING SOUTHEAST
5 TO 10 KNOTS. MOSTLY CLOUDY IN THE EARLY MORNING...BECOMING PARTLY
CLOUDY. WAVES 2 FEET OR LESS.
.FRIDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 2 FEET
OR LESS.
.FRIDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
.SATURDAY...SOUTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST 5 TO
10 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR LESS.
.SATURDAY NIGHT...WEST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.
.SUNDAY...LIGHT AND VARIABLE WINDS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.MONDAY...EAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET OR
LESS.
.TUESDAY...SOUTH WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES 2 FEET OR
LESS.

WAVE HEIGHTS ARE FOR ICE FREE AREAS.

$$

BT

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLESC (ALL LOWER CASE)

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)



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